7. Random Number File Writer Write a program that writes a series of random numbers to a file. Each random number should be in the range of 1 through 500. The application should let the user specify how many random numbers the file will hold. 8. Random Number File Reader This exercise assumes you have completed Programming Exercise 7, Random Number File Writer. Write another program that reads the random numbers from the file, displays the numbers, then displays the following data: The total of the numbers The number of random numbers read from the file Problem 8 should also display the average of the random numbers. Exception Handling: Both programs should use Try and Except Clauses to handle IOError, ValueError, and unspecified error exceptions. Be sure to test your programs for invalid cases. Far example, try running the second program to read the file when it doesn't exist or manually put bad data in the file and see what happens. Programming Style Requirements. Variable names-use meaningful variable names such as total caxes or num_cookies. Function names-use meaningful verb names for functions such as display, taxes. Named constants - Use named constants for all number values that will not be changed in the program such as RECIPE SUGAR 1.5 See section 2.9 on Named Constants

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter13: File Input And Output

Section: Chapter Questions

Problem 8PE

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I have program 7 wrote can you help me with program 8?

You will create each program in the IDLE environment and save it as a python file. Use the file naming
convention your lastname_Lab6.n.py where "n" is the exercise number.
7. Random Number File Writer
Write a program that writes a series of random numbers to a file. Each random number
should be in the range of 1 through 500. The application should let the user specify how
many random numbers the file will hold.
8. Random Number File Reader
This exercise assumes you have completed Programming Exercise 7, Random Number File
Writer. Write another program that reads the random numbers from the file, displays the
numbers, then displays the following data:
The total of the numbers
The number of random numbers read from the file
Problem 8 should also display the average of the random numbers.
Exception Handling: Both programs should use Try and Except Clauses to handle IOError,
ValueError, and unspecified error exceptions. Be sure to test your programs for invalid cases. For
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example, try running the second program to read the file when it doesn't exist or manually put bad
data in the file and see what happens.
Programming Style Requirements.
Variable names - use meaningful variable names such as total taxes or num cookies.
Function names-use meaningful verb names for functions such as display_taxes.
Named constants - Use named constants for all number values that will not be changed in the
program such as RECIPE SUGAR -1.5. See section 2.9 on Named Constants

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